Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Justin K. Briones, MD

Individual provider Emergency Medicine Physician · NPI 1104024017

Justin K. Briones, MD is an Emergency Medicine in Worcester, Massachusetts. Graduated from University of Massachusetts Medical School in 2007, 19 years ago. Practices with Coastal Medical Associates, a 446-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
19
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

55 Lake Ave N Dept OF Emergency Medicine
Worcester, MA 01655-0002
Phone: (508) 421-1400
Fax: (508) 421-1490
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 238280 (MA)

Record details

NPI number1104024017
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2007
Last updated in NPPESOctober 26, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Coastal Medical Associates — 446 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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